Listen to the sound clip Si. Si. Yes. from South Park - Season 11: Si. Si. Yes. Si. Si. Yes. This sound is from South Park - Season 11 South Park - Season 11, a television show created by Trey Parker and Matt Stone, aired in the year 2007. Known for its bold and controversial humor, this Emmy Award-winning animated series once again pushed boundaries… Go to the full soundboardwith more sound clips Search